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playbin2: Return NOT_LINKED for unselected text pads from a demuxer

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We want to return NOT_LINKED for unselected pads but only for pads
from the normal uridecodebin. This makes sure that subtitle streams
are not raced past audio/video from decodebin2's multiqueue.

For pads from suburidecodebin OK should always be returned, otherwise
it will most likely stop with an error.
This commit is contained in:
Sebastian Dröge 2009-11-04 10:52:06 +01:00
parent f71ed36694
commit 0672457604
1 changed files with 10 additions and 4 deletions
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14
gst/playback/gstplaybin2.c
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@ -2159,20 +2159,26 @@ pad_added_cb (GstElement * decodebin, GstPad * pad, GstSourceGroup * group)
if (changed) {
int signal;
gboolean always_ok = (decodebin == group->suburidecodebin);
switch (select->type) {
case GST_PLAY_SINK_TYPE_VIDEO:
case GST_PLAY_SINK_TYPE_VIDEO_RAW:
/* we want to return NOT_LINKED for unselected pads but only for audio
* and video pads because text pads might come from an external file. */
g_object_set (sinkpad, "always-ok", FALSE, NULL);
/* we want to return NOT_LINKED for unselected pads but only for pads
* from the normal uridecodebin. This makes sure that subtitle streams
* are not raced past audio/video from decodebin2's multiqueue.
* For pads from suburidecodebin OK should always be returned, otherwise
* it will most likely stop. */
g_object_set (sinkpad, "always-ok", always_ok, NULL);
signal = SIGNAL_VIDEO_CHANGED;
break;
case GST_PLAY_SINK_TYPE_AUDIO:
case GST_PLAY_SINK_TYPE_AUDIO_RAW:
g_object_set (sinkpad, "always-ok", FALSE, NULL);
g_object_set (sinkpad, "always-ok", always_ok, NULL);
signal = SIGNAL_AUDIO_CHANGED;
break;
case GST_PLAY_SINK_TYPE_TEXT:
g_object_set (sinkpad, "always-ok", always_ok, NULL);
signal = SIGNAL_TEXT_CHANGED;
break;
case GST_PLAY_SINK_TYPE_SUBPIC: